求翻译：近几年来,有关21世纪毒理学面临的挑战和未来的发展趋势一直受到人们的关注,如2001年召开的国际毒理学大会(ICT-IX)将此作为会议的主题是什么意思？

In recent years, the challenges facing the 21st century, toxicology and future trends has been the people's attention, such as the 2001 meeting of the International Toxicology Conference (ICT-IX) as the theme of the conference this

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In the last few years, the related 21st century toxicology faces the challenge and the future trend of development will receive people's attention continuously, like in 2001 convened international toxicology congress (ICT-IX) took this the conference the subject

Years about 21st century challenge for toxicology and future trends have been people's attention, international Toxicology Conference 2001 (the ICT-IX) make this theme of

In recent years, on the future of 21st century challenges faced by toxicology and trends has been of concern, such as the 2001 held the International Congress of Toxicology (ICT-IX) will serve as the theme of the meeting